1.4.2 Audio Control (Level A) — WCAG 2.1
WCAG 2.1 Success Criterion 1.4.2 Audio Control (Level A): what it requires, a common e-commerce accessibility failure, and how to fix it.
This is educational technical reference content, not legal advice. It explains what WCAG 2.1 requires and how to meet it — not whether a specific site carries legal risk. Compliance with WCAG, the ADA, or any other accessibility law or standard is a legal determination; consult qualified counsel for legal risk assessment.
WCAG 2.1 guidelines hub → Perceivable → 1.4.2 Audio Control
1.4.2 Audio Control (Level A)
What it requires: If audio plays automatically for more than 3 seconds, the user needs a way to pause/stop it or control its volume independent of system volume.
Common failure: An autoplaying background video with sound on a homepage hero has no visible pause/mute control.
Fix it: Default autoplaying media to muted, and provide an obvious, keyboard-accessible pause/mute control if sound is ever on by default.
In 1.4 Distinguishable: ← 1.4.1 Use of Color · 1.4.3 Contrast (Minimum) →
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This is educational technical reference content, not legal advice. It explains what WCAG 2.1 requires and how to meet it — not whether a specific site carries legal risk. Compliance with WCAG, the ADA, or any other accessibility law or standard is a legal determination; consult qualified counsel for legal risk assessment.
This page was drafted with AI assistance and reviewed by a person for accuracy before publication.